The Rockville RVP15W8 15'' raw professional subwoofer erupts with power. These can handle 500 watts RMS. Compare these with other raw subs, and you can see a clear difference in power as well as in sound quality. Other subs might write 1,000 watts peak but they only have 200 true RMS watts. This sub has a 51 Oz magnet. Features: Rockville RVP15W8 15'' 1000 Watt Raw Replacement Subwoofer Power RMS: 500 Watts Peak Power: 1000 Watts Fiber Reinforced Ultra Stiff Paper Composite Cone Paper Compos